Russian standards
Explosive atmospheres. Electrical resistance trace heating. Part 30-1. General and testing requirements
Document status: Cancelled
Explosive atmospheres. Part 5. Equipment protection by powder filling 'q'
Document status: Active
Power cables with extruded insulation and their accessories for rated voltages above 30 kV (Um = 36 kV) up to 150 kV (Um = 170 kV). Test methods and requirements
Document status: Active
Protection against electric shock. Common aspects for installation and equipment
Document status: Cancelled